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Finding the Fourth Proportional to 543,954.39, 816,084.68 and 189,004.29

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Solution

The fourth proportional to 543,954.39, 816,084.68 and 189,004.29 is: 283,559.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,954.39 : 816,084.68 = 189,004.29 : x
  2. Step 2: Convert to fraction form
    543,954.39/816,084.68 = 189,004.29/x
  3. Step 3: Cross multiply
    543,954.39x = 816,084.68 × 189,004.29
  4. Step 4: Simplify right side
    543,954.39x = 154,243,504,578.26
  5. Step 5: Solve for x
    x = 154,243,504,578.26/543,954.39
  6. Step 6: Final answer
    x = 283,559.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.